Henkel Awarded Patent

11.14.05

Patent No. US 6,534,471 B1: Henkel, Düsseldorf, Germany, patented colored detergent particles that are created by forming a slurry with at least one inorganic powdering agent, at least one dye and an optional bleach activator; spray-drying the slurry to form colored particles of powdering agent and then applying them to detergent particles.